cgtqmx6eval.c 29 KB

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  1. /*
  2. * Copyright (C) 2010-2011 Freescale Semiconductor, Inc.
  3. * Based on mx6qsabrelite.c file
  4. * Copyright (C) 2013, Adeneo Embedded <www.adeneo-embedded.com>
  5. * Leo Sartre, <lsartre@adeneo-embedded.com>
  6. *
  7. * SPDX-License-Identifier: GPL-2.0+
  8. */
  9. #include <common.h>
  10. #include <asm/io.h>
  11. #include <asm/arch/clock.h>
  12. #include <asm/arch/imx-regs.h>
  13. #include <asm/arch/iomux.h>
  14. #include <asm/arch/mx6-pins.h>
  15. #include <asm/gpio.h>
  16. #include <asm/imx-common/iomux-v3.h>
  17. #include <asm/imx-common/sata.h>
  18. #include <asm/imx-common/boot_mode.h>
  19. #include <asm/imx-common/mxc_i2c.h>
  20. #include <asm/arch/sys_proto.h>
  21. #include <asm/arch/mxc_hdmi.h>
  22. #include <asm/arch/crm_regs.h>
  23. #include <mmc.h>
  24. #include <fsl_esdhc.h>
  25. #include <i2c.h>
  26. #include <power/pmic.h>
  27. #include <power/pfuze100_pmic.h>
  28. #include <linux/fb.h>
  29. #include <ipu_pixfmt.h>
  30. #include <malloc.h>
  31. #include <miiphy.h>
  32. #include <netdev.h>
  33. #include <micrel.h>
  34. #include <spi_flash.h>
  35. #include <spi.h>
  36. DECLARE_GLOBAL_DATA_PTR;
  37. #define UART_PAD_CTRL (PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED |\
  38. PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
  39. #define USDHC_PAD_CTRL (PAD_CTL_PUS_47K_UP | PAD_CTL_SPEED_LOW |\
  40. PAD_CTL_DSE_80ohm | PAD_CTL_SRE_FAST | PAD_CTL_HYS)
  41. #define I2C_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
  42. PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
  43. PAD_CTL_DSE_40ohm | PAD_CTL_HYS | \
  44. PAD_CTL_ODE | PAD_CTL_SRE_FAST)
  45. #define SPI_PAD_CTRL (PAD_CTL_HYS | \
  46. PAD_CTL_SPEED_MED | \
  47. PAD_CTL_DSE_40ohm | PAD_CTL_SRE_FAST)
  48. #define MX6Q_QMX6_PFUZE_MUX IMX_GPIO_NR(6, 9)
  49. #define ENET_PAD_CTRL (PAD_CTL_PKE | PAD_CTL_PUE | \
  50. PAD_CTL_PUS_100K_UP | PAD_CTL_SPEED_MED | \
  51. PAD_CTL_DSE_40ohm | PAD_CTL_HYS)
  52. int dram_init(void)
  53. {
  54. gd->ram_size = imx_ddr_size();
  55. return 0;
  56. }
  57. static iomux_v3_cfg_t const uart2_pads[] = {
  58. IOMUX_PADS(PAD_EIM_D26__UART2_TX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
  59. IOMUX_PADS(PAD_EIM_D27__UART2_RX_DATA | MUX_PAD_CTRL(UART_PAD_CTRL)),
  60. };
  61. static iomux_v3_cfg_t const usdhc2_pads[] = {
  62. IOMUX_PADS(PAD_SD2_CLK__SD2_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  63. IOMUX_PADS(PAD_SD2_CMD__SD2_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  64. IOMUX_PADS(PAD_SD2_DAT0__SD2_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  65. IOMUX_PADS(PAD_SD2_DAT1__SD2_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  66. IOMUX_PADS(PAD_SD2_DAT2__SD2_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  67. IOMUX_PADS(PAD_SD2_DAT3__SD2_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  68. IOMUX_PADS(PAD_GPIO_4__GPIO1_IO04 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  69. };
  70. static iomux_v3_cfg_t const usdhc3_pads[] = {
  71. IOMUX_PADS(PAD_SD3_CLK__SD3_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  72. IOMUX_PADS(PAD_SD3_CMD__SD3_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  73. IOMUX_PADS(PAD_SD3_DAT0__SD3_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  74. IOMUX_PADS(PAD_SD3_DAT1__SD3_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  75. IOMUX_PADS(PAD_SD3_DAT2__SD3_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  76. IOMUX_PADS(PAD_SD3_DAT3__SD3_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  77. IOMUX_PADS(PAD_SD3_DAT4__SD3_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  78. IOMUX_PADS(PAD_SD3_DAT5__SD3_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  79. IOMUX_PADS(PAD_SD3_DAT6__SD3_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  80. IOMUX_PADS(PAD_SD3_DAT7__SD3_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  81. IOMUX_PADS(PAD_SD3_RST__SD3_RESET | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  82. };
  83. static iomux_v3_cfg_t const usdhc4_pads[] = {
  84. IOMUX_PADS(PAD_SD4_CLK__SD4_CLK | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  85. IOMUX_PADS(PAD_SD4_CMD__SD4_CMD | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  86. IOMUX_PADS(PAD_SD4_DAT0__SD4_DATA0 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  87. IOMUX_PADS(PAD_SD4_DAT1__SD4_DATA1 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  88. IOMUX_PADS(PAD_SD4_DAT2__SD4_DATA2 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  89. IOMUX_PADS(PAD_SD4_DAT3__SD4_DATA3 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  90. IOMUX_PADS(PAD_SD4_DAT4__SD4_DATA4 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  91. IOMUX_PADS(PAD_SD4_DAT5__SD4_DATA5 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  92. IOMUX_PADS(PAD_SD4_DAT6__SD4_DATA6 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  93. IOMUX_PADS(PAD_SD4_DAT7__SD4_DATA7 | MUX_PAD_CTRL(USDHC_PAD_CTRL)),
  94. IOMUX_PADS(PAD_NANDF_D6__GPIO2_IO06 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  95. };
  96. static iomux_v3_cfg_t const usb_otg_pads[] = {
  97. IOMUX_PADS(PAD_EIM_D22__USB_OTG_PWR | MUX_PAD_CTRL(NO_PAD_CTRL)),
  98. IOMUX_PADS(PAD_GPIO_1__USB_OTG_ID | MUX_PAD_CTRL(NO_PAD_CTRL)),
  99. };
  100. static iomux_v3_cfg_t enet_pads_ksz9031[] = {
  101. IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  102. IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  103. IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  104. IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  105. IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  106. IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  107. IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  108. IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  109. IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  110. IOMUX_PADS(PAD_RGMII_RXC__GPIO6_IO30 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  111. IOMUX_PADS(PAD_RGMII_RD0__GPIO6_IO25 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  112. IOMUX_PADS(PAD_RGMII_RD1__GPIO6_IO27 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  113. IOMUX_PADS(PAD_RGMII_RD2__GPIO6_IO28 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  114. IOMUX_PADS(PAD_RGMII_RD3__GPIO6_IO29 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  115. IOMUX_PADS(PAD_RGMII_RX_CTL__GPIO6_IO24 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  116. };
  117. static iomux_v3_cfg_t enet_pads_final_ksz9031[] = {
  118. IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  119. IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  120. IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  121. IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  122. IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  123. IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  124. };
  125. static iomux_v3_cfg_t enet_pads_ar8035[] = {
  126. IOMUX_PADS(PAD_ENET_MDIO__ENET_MDIO | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  127. IOMUX_PADS(PAD_ENET_MDC__ENET_MDC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  128. IOMUX_PADS(PAD_RGMII_TXC__RGMII_TXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  129. IOMUX_PADS(PAD_RGMII_TD0__RGMII_TD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  130. IOMUX_PADS(PAD_RGMII_TD1__RGMII_TD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  131. IOMUX_PADS(PAD_RGMII_TD2__RGMII_TD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  132. IOMUX_PADS(PAD_RGMII_TD3__RGMII_TD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  133. IOMUX_PADS(PAD_RGMII_TX_CTL__RGMII_TX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  134. IOMUX_PADS(PAD_ENET_REF_CLK__ENET_TX_CLK | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  135. IOMUX_PADS(PAD_RGMII_RXC__RGMII_RXC | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  136. IOMUX_PADS(PAD_RGMII_RD0__RGMII_RD0 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  137. IOMUX_PADS(PAD_RGMII_RD1__RGMII_RD1 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  138. IOMUX_PADS(PAD_RGMII_RD2__RGMII_RD2 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  139. IOMUX_PADS(PAD_RGMII_RD3__RGMII_RD3 | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  140. IOMUX_PADS(PAD_RGMII_RX_CTL__RGMII_RX_CTL | MUX_PAD_CTRL(ENET_PAD_CTRL)),
  141. };
  142. static iomux_v3_cfg_t const ecspi1_pads[] = {
  143. IOMUX_PADS(PAD_EIM_D16__ECSPI1_SCLK | MUX_PAD_CTRL(SPI_PAD_CTRL)),
  144. IOMUX_PADS(PAD_EIM_D17__ECSPI1_MISO | MUX_PAD_CTRL(SPI_PAD_CTRL)),
  145. IOMUX_PADS(PAD_EIM_D18__ECSPI1_MOSI | MUX_PAD_CTRL(SPI_PAD_CTRL)),
  146. IOMUX_PADS(PAD_EIM_D19__GPIO3_IO19 | MUX_PAD_CTRL(NO_PAD_CTRL)),
  147. };
  148. #define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
  149. struct i2c_pads_info mx6q_i2c_pad_info1 = {
  150. .scl = {
  151. .i2c_mode = MX6Q_PAD_KEY_COL3__I2C2_SCL | PC,
  152. .gpio_mode = MX6Q_PAD_KEY_COL3__GPIO4_IO12 | PC,
  153. .gp = IMX_GPIO_NR(4, 12)
  154. },
  155. .sda = {
  156. .i2c_mode = MX6Q_PAD_KEY_ROW3__I2C2_SDA | PC,
  157. .gpio_mode = MX6Q_PAD_KEY_ROW3__GPIO4_IO13 | PC,
  158. .gp = IMX_GPIO_NR(4, 13)
  159. }
  160. };
  161. struct i2c_pads_info mx6dl_i2c_pad_info1 = {
  162. .scl = {
  163. .i2c_mode = MX6DL_PAD_KEY_COL3__I2C2_SCL | PC,
  164. .gpio_mode = MX6DL_PAD_KEY_COL3__GPIO4_IO12 | PC,
  165. .gp = IMX_GPIO_NR(4, 12)
  166. },
  167. .sda = {
  168. .i2c_mode = MX6DL_PAD_KEY_ROW3__I2C2_SDA | PC,
  169. .gpio_mode = MX6DL_PAD_KEY_ROW3__GPIO4_IO13 | PC,
  170. .gp = IMX_GPIO_NR(4, 13)
  171. }
  172. };
  173. #define I2C_PMIC 1 /* I2C2 port is used to connect to the PMIC */
  174. struct interface_level {
  175. char *name;
  176. uchar value;
  177. };
  178. static struct interface_level mipi_levels[] = {
  179. {"0V0", 0x00},
  180. {"2V5", 0x17},
  181. };
  182. /* setup board specific PMIC */
  183. int power_init_board(void)
  184. {
  185. struct pmic *p;
  186. u32 id1, id2, i;
  187. int ret;
  188. char const *lv_mipi;
  189. /* configure I2C multiplexer */
  190. gpio_direction_output(MX6Q_QMX6_PFUZE_MUX, 1);
  191. power_pfuze100_init(I2C_PMIC);
  192. p = pmic_get("PFUZE100");
  193. if (!p)
  194. return -EINVAL;
  195. ret = pmic_probe(p);
  196. if (ret)
  197. return ret;
  198. pmic_reg_read(p, PFUZE100_DEVICEID, &id1);
  199. pmic_reg_read(p, PFUZE100_REVID, &id2);
  200. printf("PFUZE100 Rev. [%02x/%02x] detected\n", id1, id2);
  201. if (id2 >= 0x20)
  202. return 0;
  203. /* set level of MIPI if specified */
  204. lv_mipi = getenv("lv_mipi");
  205. if (lv_mipi)
  206. return 0;
  207. for (i = 0; i < ARRAY_SIZE(mipi_levels); i++) {
  208. if (!strcmp(mipi_levels[i].name, lv_mipi)) {
  209. printf("set MIPI level %s\n", mipi_levels[i].name);
  210. ret = pmic_reg_write(p, PFUZE100_VGEN4VOL,
  211. mipi_levels[i].value);
  212. if (ret)
  213. return ret;
  214. }
  215. }
  216. return 0;
  217. }
  218. int board_eth_init(bd_t *bis)
  219. {
  220. struct phy_device *phydev;
  221. struct mii_dev *bus;
  222. unsigned short id1, id2;
  223. int ret;
  224. /* check whether KSZ9031 or AR8035 has to be configured */
  225. SETUP_IOMUX_PADS(enet_pads_ar8035);
  226. /* phy reset */
  227. gpio_direction_output(IMX_GPIO_NR(3, 23), 0);
  228. udelay(2000);
  229. gpio_set_value(IMX_GPIO_NR(3, 23), 1);
  230. udelay(500);
  231. bus = fec_get_miibus(IMX_FEC_BASE, -1);
  232. if (!bus)
  233. return -EINVAL;
  234. phydev = phy_find_by_mask(bus, (0xf << 4), PHY_INTERFACE_MODE_RGMII);
  235. if (!phydev) {
  236. printf("Error: phy device not found.\n");
  237. ret = -ENODEV;
  238. goto free_bus;
  239. }
  240. /* get the PHY id */
  241. id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2);
  242. id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3);
  243. if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) {
  244. /* re-configure for Micrel KSZ9031 */
  245. printf("configure Micrel KSZ9031 Ethernet Phy at address %d\n",
  246. phydev->addr);
  247. /* phy reset: gpio3-23 */
  248. gpio_set_value(IMX_GPIO_NR(3, 23), 0);
  249. gpio_set_value(IMX_GPIO_NR(6, 30), (phydev->addr >> 2));
  250. gpio_set_value(IMX_GPIO_NR(6, 25), 1);
  251. gpio_set_value(IMX_GPIO_NR(6, 27), 1);
  252. gpio_set_value(IMX_GPIO_NR(6, 28), 1);
  253. gpio_set_value(IMX_GPIO_NR(6, 29), 1);
  254. SETUP_IOMUX_PADS(enet_pads_ksz9031);
  255. gpio_set_value(IMX_GPIO_NR(6, 24), 1);
  256. udelay(500);
  257. gpio_set_value(IMX_GPIO_NR(3, 23), 1);
  258. SETUP_IOMUX_PADS(enet_pads_final_ksz9031);
  259. } else if ((id1 == 0x004d) && (id2 == 0xd072)) {
  260. /* configure Atheros AR8035 - actually nothing to do */
  261. printf("configure Atheros AR8035 Ethernet Phy at address %d\n",
  262. phydev->addr);
  263. } else {
  264. printf("Unknown Ethernet-Phy: 0x%04x 0x%04x\n", id1, id2);
  265. ret = -EINVAL;
  266. goto free_phydev;
  267. }
  268. ret = fec_probe(bis, -1, IMX_FEC_BASE, bus, phydev);
  269. if (ret)
  270. goto free_phydev;
  271. return 0;
  272. free_phydev:
  273. free(phydev);
  274. free_bus:
  275. free(bus);
  276. return ret;
  277. }
  278. int mx6_rgmii_rework(struct phy_device *phydev)
  279. {
  280. unsigned short id1, id2;
  281. unsigned short val;
  282. /* check whether KSZ9031 or AR8035 has to be configured */
  283. id1 = phy_read(phydev, MDIO_DEVAD_NONE, 2);
  284. id2 = phy_read(phydev, MDIO_DEVAD_NONE, 3);
  285. if ((id1 == 0x22) && ((id2 & 0xFFF0) == 0x1620)) {
  286. /* finalize phy configuration for Micrel KSZ9031 */
  287. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
  288. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 4);
  289. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
  290. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x0000);
  291. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
  292. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 5);
  293. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
  294. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_REG);
  295. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
  296. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 6);
  297. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
  298. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0xFFFF);
  299. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 2);
  300. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 8);
  301. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_POST_INC_W | 0x2);
  302. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3FFF);
  303. /* fix KSZ9031 link up issue */
  304. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x0);
  305. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x4);
  306. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC);
  307. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x6);
  308. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_REG);
  309. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x3);
  310. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC);
  311. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, 0x1A80);
  312. }
  313. if ((id1 == 0x004d) && (id2 == 0xd072)) {
  314. /* enable AR8035 ouput a 125MHz clk from CLK_25M */
  315. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, 0x7);
  316. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, MII_KSZ9031_MOD_DATA_POST_INC_RW | 0x16);
  317. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_CONTROL, MII_KSZ9031_MOD_DATA_NO_POST_INC | 0x7);
  318. val = phy_read(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA);
  319. val &= 0xfe63;
  320. val |= 0x18;
  321. phy_write(phydev, MDIO_DEVAD_NONE, MMD_ACCESS_REG_DATA, val);
  322. /* introduce tx clock delay */
  323. phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0x5);
  324. val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
  325. val |= 0x0100;
  326. phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, val);
  327. /* disable hibernation */
  328. phy_write(phydev, MDIO_DEVAD_NONE, 0x1d, 0xb);
  329. val = phy_read(phydev, MDIO_DEVAD_NONE, 0x1e);
  330. phy_write(phydev, MDIO_DEVAD_NONE, 0x1e, 0x3c40);
  331. }
  332. return 0;
  333. }
  334. int board_phy_config(struct phy_device *phydev)
  335. {
  336. mx6_rgmii_rework(phydev);
  337. if (phydev->drv->config)
  338. phydev->drv->config(phydev);
  339. return 0;
  340. }
  341. static void setup_iomux_uart(void)
  342. {
  343. SETUP_IOMUX_PADS(uart2_pads);
  344. }
  345. #ifdef CONFIG_MXC_SPI
  346. static void setup_spi(void)
  347. {
  348. SETUP_IOMUX_PADS(ecspi1_pads);
  349. gpio_direction_output(IMX_GPIO_NR(3, 19), 0);
  350. }
  351. #endif
  352. #ifdef CONFIG_FSL_ESDHC
  353. static struct fsl_esdhc_cfg usdhc_cfg[] = {
  354. {USDHC2_BASE_ADDR},
  355. {USDHC3_BASE_ADDR},
  356. {USDHC4_BASE_ADDR},
  357. };
  358. int board_mmc_getcd(struct mmc *mmc)
  359. {
  360. struct fsl_esdhc_cfg *cfg = (struct fsl_esdhc_cfg *)mmc->priv;
  361. int ret = 0;
  362. switch (cfg->esdhc_base) {
  363. case USDHC2_BASE_ADDR:
  364. gpio_direction_input(IMX_GPIO_NR(1, 4));
  365. ret = !gpio_get_value(IMX_GPIO_NR(1, 4));
  366. break;
  367. case USDHC3_BASE_ADDR:
  368. ret = 1; /* eMMC is always present */
  369. break;
  370. case USDHC4_BASE_ADDR:
  371. gpio_direction_input(IMX_GPIO_NR(2, 6));
  372. ret = !gpio_get_value(IMX_GPIO_NR(2, 6));
  373. break;
  374. default:
  375. printf("Bad USDHC interface\n");
  376. }
  377. return ret;
  378. }
  379. int board_mmc_init(bd_t *bis)
  380. {
  381. #ifndef CONFIG_SPL_BUILD
  382. s32 status = 0;
  383. int i;
  384. usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC2_CLK);
  385. usdhc_cfg[1].sdhc_clk = mxc_get_clock(MXC_ESDHC3_CLK);
  386. usdhc_cfg[2].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
  387. SETUP_IOMUX_PADS(usdhc2_pads);
  388. SETUP_IOMUX_PADS(usdhc3_pads);
  389. SETUP_IOMUX_PADS(usdhc4_pads);
  390. for (i = 0; i < ARRAY_SIZE(usdhc_cfg); i++) {
  391. status = fsl_esdhc_initialize(bis, &usdhc_cfg[i]);
  392. if (status)
  393. return status;
  394. }
  395. return 0;
  396. #else
  397. SETUP_IOMUX_PADS(usdhc4_pads);
  398. usdhc_cfg[0].esdhc_base = USDHC4_BASE_ADDR;
  399. usdhc_cfg[0].sdhc_clk = mxc_get_clock(MXC_ESDHC4_CLK);
  400. gd->arch.sdhc_clk = usdhc_cfg[0].sdhc_clk;
  401. return fsl_esdhc_initialize(bis, &usdhc_cfg[0]);
  402. #endif
  403. }
  404. #endif
  405. int board_ehci_hcd_init(int port)
  406. {
  407. switch (port) {
  408. case 0:
  409. SETUP_IOMUX_PADS(usb_otg_pads);
  410. /*
  411. * set daisy chain for otg_pin_id on 6q.
  412. * for 6dl, this bit is reserved
  413. */
  414. imx_iomux_set_gpr_register(1, 13, 1, 1);
  415. break;
  416. case 1:
  417. /* nothing to do */
  418. break;
  419. default:
  420. printf("Invalid USB port: %d\n", port);
  421. return -EINVAL;
  422. }
  423. return 0;
  424. }
  425. int board_ehci_power(int port, int on)
  426. {
  427. switch (port) {
  428. case 0:
  429. break;
  430. case 1:
  431. gpio_direction_output(IMX_GPIO_NR(5, 5), on);
  432. break;
  433. default:
  434. printf("Invalid USB port: %d\n", port);
  435. return -EINVAL;
  436. }
  437. return 0;
  438. }
  439. struct display_info_t {
  440. int bus;
  441. int addr;
  442. int pixfmt;
  443. int (*detect)(struct display_info_t const *dev);
  444. void (*enable)(struct display_info_t const *dev);
  445. struct fb_videomode mode;
  446. };
  447. static void disable_lvds(struct display_info_t const *dev)
  448. {
  449. struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
  450. clrbits_le32(&iomux->gpr[2], IOMUXC_GPR2_LVDS_CH0_MODE_MASK |
  451. IOMUXC_GPR2_LVDS_CH1_MODE_MASK);
  452. }
  453. static void do_enable_hdmi(struct display_info_t const *dev)
  454. {
  455. disable_lvds(dev);
  456. imx_enable_hdmi_phy();
  457. }
  458. static struct display_info_t const displays[] = {
  459. {
  460. .bus = -1,
  461. .addr = 0,
  462. .pixfmt = IPU_PIX_FMT_RGB666,
  463. .detect = NULL,
  464. .enable = NULL,
  465. .mode = {
  466. .name =
  467. "Hannstar-XGA",
  468. .refresh = 60,
  469. .xres = 1024,
  470. .yres = 768,
  471. .pixclock = 15385,
  472. .left_margin = 220,
  473. .right_margin = 40,
  474. .upper_margin = 21,
  475. .lower_margin = 7,
  476. .hsync_len = 60,
  477. .vsync_len = 10,
  478. .sync = FB_SYNC_EXT,
  479. .vmode = FB_VMODE_NONINTERLACED } },
  480. {
  481. .bus = -1,
  482. .addr = 0,
  483. .pixfmt = IPU_PIX_FMT_RGB24,
  484. .detect = NULL,
  485. .enable = do_enable_hdmi,
  486. .mode = {
  487. .name = "HDMI",
  488. .refresh = 60,
  489. .xres = 1024,
  490. .yres = 768,
  491. .pixclock = 15385,
  492. .left_margin = 220,
  493. .right_margin = 40,
  494. .upper_margin = 21,
  495. .lower_margin = 7,
  496. .hsync_len = 60,
  497. .vsync_len = 10,
  498. .sync = FB_SYNC_EXT,
  499. .vmode = FB_VMODE_NONINTERLACED } }
  500. };
  501. int board_video_skip(void)
  502. {
  503. int i;
  504. int ret;
  505. char const *panel = getenv("panel");
  506. if (!panel) {
  507. for (i = 0; i < ARRAY_SIZE(displays); i++) {
  508. struct display_info_t const *dev = displays + i;
  509. if (dev->detect && dev->detect(dev)) {
  510. panel = dev->mode.name;
  511. printf("auto-detected panel %s\n", panel);
  512. break;
  513. }
  514. }
  515. if (!panel) {
  516. panel = displays[0].mode.name;
  517. printf("No panel detected: default to %s\n", panel);
  518. i = 0;
  519. }
  520. } else {
  521. for (i = 0; i < ARRAY_SIZE(displays); i++) {
  522. if (!strcmp(panel, displays[i].mode.name))
  523. break;
  524. }
  525. }
  526. if (i < ARRAY_SIZE(displays)) {
  527. ret = ipuv3_fb_init(&displays[i].mode, 0, displays[i].pixfmt);
  528. if (!ret) {
  529. if (displays[i].enable)
  530. displays[i].enable(displays + i);
  531. printf("Display: %s (%ux%u)\n",
  532. displays[i].mode.name, displays[i].mode.xres,
  533. displays[i].mode.yres);
  534. } else
  535. printf("LCD %s cannot be configured: %d\n",
  536. displays[i].mode.name, ret);
  537. } else {
  538. printf("unsupported panel %s\n", panel);
  539. return -EINVAL;
  540. }
  541. return 0;
  542. }
  543. static void setup_display(void)
  544. {
  545. struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
  546. struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
  547. int reg;
  548. enable_ipu_clock();
  549. imx_setup_hdmi();
  550. /* Turn on LDB0, LDB1, IPU,IPU DI0 clocks */
  551. setbits_le32(&mxc_ccm->CCGR3, MXC_CCM_CCGR3_LDB_DI0_MASK |
  552. MXC_CCM_CCGR3_LDB_DI1_MASK);
  553. /* set LDB0, LDB1 clk select to 011/011 */
  554. reg = readl(&mxc_ccm->cs2cdr);
  555. reg &= ~(MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_MASK |
  556. MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_MASK);
  557. reg |= (3 << MXC_CCM_CS2CDR_LDB_DI0_CLK_SEL_OFFSET) |
  558. (3 << MXC_CCM_CS2CDR_LDB_DI1_CLK_SEL_OFFSET);
  559. writel(reg, &mxc_ccm->cs2cdr);
  560. setbits_le32(&mxc_ccm->cscmr2, MXC_CCM_CSCMR2_LDB_DI0_IPU_DIV |
  561. MXC_CCM_CSCMR2_LDB_DI1_IPU_DIV);
  562. setbits_le32(&mxc_ccm->chsccdr, CHSCCDR_CLK_SEL_LDB_DI0 <<
  563. MXC_CCM_CHSCCDR_IPU1_DI0_CLK_SEL_OFFSET |
  564. CHSCCDR_CLK_SEL_LDB_DI0 <<
  565. MXC_CCM_CHSCCDR_IPU1_DI1_CLK_SEL_OFFSET);
  566. reg = IOMUXC_GPR2_BGREF_RRMODE_EXTERNAL_RES
  567. | IOMUXC_GPR2_DI1_VS_POLARITY_ACTIVE_LOW
  568. | IOMUXC_GPR2_DI0_VS_POLARITY_ACTIVE_LOW
  569. | IOMUXC_GPR2_BIT_MAPPING_CH1_SPWG
  570. | IOMUXC_GPR2_DATA_WIDTH_CH1_18BIT
  571. | IOMUXC_GPR2_BIT_MAPPING_CH0_SPWG
  572. | IOMUXC_GPR2_DATA_WIDTH_CH0_18BIT
  573. | IOMUXC_GPR2_LVDS_CH0_MODE_DISABLED
  574. | IOMUXC_GPR2_LVDS_CH1_MODE_ENABLED_DI0;
  575. writel(reg, &iomux->gpr[2]);
  576. reg = readl(&iomux->gpr[3]);
  577. reg = (reg & ~(IOMUXC_GPR3_LVDS1_MUX_CTL_MASK |
  578. IOMUXC_GPR3_HDMI_MUX_CTL_MASK)) |
  579. (IOMUXC_GPR3_MUX_SRC_IPU1_DI0 <<
  580. IOMUXC_GPR3_LVDS1_MUX_CTL_OFFSET);
  581. writel(reg, &iomux->gpr[3]);
  582. }
  583. /*
  584. * Do not overwrite the console
  585. * Use always serial for U-Boot console
  586. */
  587. int overwrite_console(void)
  588. {
  589. return 1;
  590. }
  591. int board_early_init_f(void)
  592. {
  593. setup_iomux_uart();
  594. setup_display();
  595. #ifdef CONFIG_MXC_SPI
  596. setup_spi();
  597. #endif
  598. return 0;
  599. }
  600. int board_init(void)
  601. {
  602. /* address of boot parameters */
  603. gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
  604. if (is_mx6dq())
  605. setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6q_i2c_pad_info1);
  606. else
  607. setup_i2c(1, CONFIG_SYS_I2C_SPEED, 0x7f, &mx6dl_i2c_pad_info1);
  608. #ifdef CONFIG_CMD_SATA
  609. setup_sata();
  610. #endif
  611. return 0;
  612. }
  613. int checkboard(void)
  614. {
  615. char *type = "unknown";
  616. if (is_cpu_type(MXC_CPU_MX6Q))
  617. type = "Quad";
  618. else if (is_cpu_type(MXC_CPU_MX6D))
  619. type = "Dual";
  620. else if (is_cpu_type(MXC_CPU_MX6DL))
  621. type = "Dual-Lite";
  622. else if (is_cpu_type(MXC_CPU_MX6SOLO))
  623. type = "Solo";
  624. printf("Board: conga-QMX6 %s\n", type);
  625. return 0;
  626. }
  627. #ifdef CONFIG_MXC_SPI
  628. int board_spi_cs_gpio(unsigned bus, unsigned cs)
  629. {
  630. return (bus == 0 && cs == 0) ? (IMX_GPIO_NR(3, 19)) : -EINVAL;
  631. }
  632. #endif
  633. #ifdef CONFIG_CMD_BMODE
  634. static const struct boot_mode board_boot_modes[] = {
  635. /* 4 bit bus width */
  636. {"mmc0", MAKE_CFGVAL(0x50, 0x20, 0x00, 0x00)},
  637. {"mmc1", MAKE_CFGVAL(0x50, 0x38, 0x00, 0x00)},
  638. {NULL, 0},
  639. };
  640. #endif
  641. int misc_init_r(void)
  642. {
  643. #ifdef CONFIG_CMD_BMODE
  644. add_board_boot_modes(board_boot_modes);
  645. #endif
  646. return 0;
  647. }
  648. int board_late_init(void)
  649. {
  650. #ifdef CONFIG_ENV_VARS_UBOOT_RUNTIME_CONFIG
  651. if (is_mx6dq())
  652. setenv("board_rev", "MX6Q");
  653. else
  654. setenv("board_rev", "MX6DL");
  655. #endif
  656. return 0;
  657. }
  658. #ifdef CONFIG_SPL_BUILD
  659. #include <asm/arch/mx6-ddr.h>
  660. #include <spl.h>
  661. #include <libfdt.h>
  662. #include <spi_flash.h>
  663. #include <spi.h>
  664. const struct mx6dq_iomux_ddr_regs mx6q_ddr_ioregs = {
  665. .dram_sdclk_0 = 0x00000030,
  666. .dram_sdclk_1 = 0x00000030,
  667. .dram_cas = 0x00000030,
  668. .dram_ras = 0x00000030,
  669. .dram_reset = 0x00000030,
  670. .dram_sdcke0 = 0x00003000,
  671. .dram_sdcke1 = 0x00003000,
  672. .dram_sdba2 = 0x00000000,
  673. .dram_sdodt0 = 0x00000030,
  674. .dram_sdodt1 = 0x00000030,
  675. .dram_sdqs0 = 0x00000030,
  676. .dram_sdqs1 = 0x00000030,
  677. .dram_sdqs2 = 0x00000030,
  678. .dram_sdqs3 = 0x00000030,
  679. .dram_sdqs4 = 0x00000030,
  680. .dram_sdqs5 = 0x00000030,
  681. .dram_sdqs6 = 0x00000030,
  682. .dram_sdqs7 = 0x00000030,
  683. .dram_dqm0 = 0x00000030,
  684. .dram_dqm1 = 0x00000030,
  685. .dram_dqm2 = 0x00000030,
  686. .dram_dqm3 = 0x00000030,
  687. .dram_dqm4 = 0x00000030,
  688. .dram_dqm5 = 0x00000030,
  689. .dram_dqm6 = 0x00000030,
  690. .dram_dqm7 = 0x00000030,
  691. };
  692. static const struct mx6sdl_iomux_ddr_regs mx6dl_ddr_ioregs = {
  693. .dram_sdclk_0 = 0x00000030,
  694. .dram_sdclk_1 = 0x00000030,
  695. .dram_cas = 0x00000030,
  696. .dram_ras = 0x00000030,
  697. .dram_reset = 0x00000030,
  698. .dram_sdcke0 = 0x00003000,
  699. .dram_sdcke1 = 0x00003000,
  700. .dram_sdba2 = 0x00000000,
  701. .dram_sdodt0 = 0x00000030,
  702. .dram_sdodt1 = 0x00000030,
  703. .dram_sdqs0 = 0x00000030,
  704. .dram_sdqs1 = 0x00000030,
  705. .dram_sdqs2 = 0x00000030,
  706. .dram_sdqs3 = 0x00000030,
  707. .dram_sdqs4 = 0x00000030,
  708. .dram_sdqs5 = 0x00000030,
  709. .dram_sdqs6 = 0x00000030,
  710. .dram_sdqs7 = 0x00000030,
  711. .dram_dqm0 = 0x00000030,
  712. .dram_dqm1 = 0x00000030,
  713. .dram_dqm2 = 0x00000030,
  714. .dram_dqm3 = 0x00000030,
  715. .dram_dqm4 = 0x00000030,
  716. .dram_dqm5 = 0x00000030,
  717. .dram_dqm6 = 0x00000030,
  718. .dram_dqm7 = 0x00000030,
  719. };
  720. const struct mx6dq_iomux_grp_regs mx6q_grp_ioregs = {
  721. .grp_ddr_type = 0x000C0000,
  722. .grp_ddrmode_ctl = 0x00020000,
  723. .grp_ddrpke = 0x00000000,
  724. .grp_addds = 0x00000030,
  725. .grp_ctlds = 0x00000030,
  726. .grp_ddrmode = 0x00020000,
  727. .grp_b0ds = 0x00000030,
  728. .grp_b1ds = 0x00000030,
  729. .grp_b2ds = 0x00000030,
  730. .grp_b3ds = 0x00000030,
  731. .grp_b4ds = 0x00000030,
  732. .grp_b5ds = 0x00000030,
  733. .grp_b6ds = 0x00000030,
  734. .grp_b7ds = 0x00000030,
  735. };
  736. static const struct mx6sdl_iomux_grp_regs mx6sdl_grp_ioregs = {
  737. .grp_ddr_type = 0x000c0000,
  738. .grp_ddrmode_ctl = 0x00020000,
  739. .grp_ddrpke = 0x00000000,
  740. .grp_addds = 0x00000030,
  741. .grp_ctlds = 0x00000030,
  742. .grp_ddrmode = 0x00020000,
  743. .grp_b0ds = 0x00000030,
  744. .grp_b1ds = 0x00000030,
  745. .grp_b2ds = 0x00000030,
  746. .grp_b3ds = 0x00000030,
  747. .grp_b4ds = 0x00000030,
  748. .grp_b5ds = 0x00000030,
  749. .grp_b6ds = 0x00000030,
  750. .grp_b7ds = 0x00000030,
  751. };
  752. const struct mx6_mmdc_calibration mx6q_mmcd_calib = {
  753. .p0_mpwldectrl0 = 0x0016001A,
  754. .p0_mpwldectrl1 = 0x0023001C,
  755. .p1_mpwldectrl0 = 0x0028003A,
  756. .p1_mpwldectrl1 = 0x001F002C,
  757. .p0_mpdgctrl0 = 0x43440354,
  758. .p0_mpdgctrl1 = 0x033C033C,
  759. .p1_mpdgctrl0 = 0x43300368,
  760. .p1_mpdgctrl1 = 0x03500330,
  761. .p0_mprddlctl = 0x3228242E,
  762. .p1_mprddlctl = 0x2C2C2636,
  763. .p0_mpwrdlctl = 0x36323A38,
  764. .p1_mpwrdlctl = 0x42324440,
  765. };
  766. const struct mx6_mmdc_calibration mx6q_2g_mmcd_calib = {
  767. .p0_mpwldectrl0 = 0x00080016,
  768. .p0_mpwldectrl1 = 0x001D0016,
  769. .p1_mpwldectrl0 = 0x0018002C,
  770. .p1_mpwldectrl1 = 0x000D001D,
  771. .p0_mpdgctrl0 = 0x43200334,
  772. .p0_mpdgctrl1 = 0x0320031C,
  773. .p1_mpdgctrl0 = 0x0344034C,
  774. .p1_mpdgctrl1 = 0x03380314,
  775. .p0_mprddlctl = 0x3E36383A,
  776. .p1_mprddlctl = 0x38363240,
  777. .p0_mpwrdlctl = 0x36364238,
  778. .p1_mpwrdlctl = 0x4230423E,
  779. };
  780. static const struct mx6_mmdc_calibration mx6s_mmcd_calib = {
  781. .p0_mpwldectrl0 = 0x00480049,
  782. .p0_mpwldectrl1 = 0x00410044,
  783. .p0_mpdgctrl0 = 0x42480248,
  784. .p0_mpdgctrl1 = 0x023C023C,
  785. .p0_mprddlctl = 0x40424644,
  786. .p0_mpwrdlctl = 0x34323034,
  787. };
  788. const struct mx6_mmdc_calibration mx6dl_mmcd_calib = {
  789. .p0_mpwldectrl0 = 0x0043004B,
  790. .p0_mpwldectrl1 = 0x003A003E,
  791. .p1_mpwldectrl0 = 0x0047004F,
  792. .p1_mpwldectrl1 = 0x004E0061,
  793. .p0_mpdgctrl0 = 0x42500250,
  794. .p0_mpdgctrl1 = 0x0238023C,
  795. .p1_mpdgctrl0 = 0x42640264,
  796. .p1_mpdgctrl1 = 0x02500258,
  797. .p0_mprddlctl = 0x40424846,
  798. .p1_mprddlctl = 0x46484842,
  799. .p0_mpwrdlctl = 0x38382C30,
  800. .p1_mpwrdlctl = 0x34343430,
  801. };
  802. static struct mx6_ddr3_cfg mem_ddr_2g = {
  803. .mem_speed = 1600,
  804. .density = 2,
  805. .width = 16,
  806. .banks = 8,
  807. .rowaddr = 14,
  808. .coladdr = 10,
  809. .pagesz = 2,
  810. .trcd = 1310,
  811. .trcmin = 4875,
  812. .trasmin = 3500,
  813. };
  814. static struct mx6_ddr3_cfg mem_ddr_4g = {
  815. .mem_speed = 1600,
  816. .density = 4,
  817. .width = 16,
  818. .banks = 8,
  819. .rowaddr = 15,
  820. .coladdr = 10,
  821. .pagesz = 2,
  822. .trcd = 1310,
  823. .trcmin = 4875,
  824. .trasmin = 3500,
  825. };
  826. static void ccgr_init(void)
  827. {
  828. struct mxc_ccm_reg *ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
  829. writel(0x00C03F3F, &ccm->CCGR0);
  830. writel(0x0030FC03, &ccm->CCGR1);
  831. writel(0x0FFFC000, &ccm->CCGR2);
  832. writel(0x3FF00000, &ccm->CCGR3);
  833. writel(0x00FFF300, &ccm->CCGR4);
  834. writel(0x0F0000C3, &ccm->CCGR5);
  835. writel(0x000003FF, &ccm->CCGR6);
  836. }
  837. static void gpr_init(void)
  838. {
  839. struct iomuxc *iomux = (struct iomuxc *)IOMUXC_BASE_ADDR;
  840. /* enable AXI cache for VDOA/VPU/IPU */
  841. writel(0xF00000CF, &iomux->gpr[4]);
  842. /* set IPU AXI-id0 Qos=0xf(bypass) AXI-id1 Qos=0x7 */
  843. writel(0x007F007F, &iomux->gpr[6]);
  844. writel(0x007F007F, &iomux->gpr[7]);
  845. }
  846. /* Define a minimal structure so that the part number can be read via SPL */
  847. struct mfgdata {
  848. unsigned char tsize;
  849. /* size of checksummed part in bytes */
  850. unsigned char ckcnt;
  851. /* checksum corrected byte */
  852. unsigned char cksum;
  853. /* decimal serial number, packed BCD */
  854. unsigned char serial[6];
  855. /* part number, right justified, ASCII */
  856. unsigned char pn[16];
  857. };
  858. static void conv_ascii(unsigned char *dst, unsigned char *src, int len)
  859. {
  860. int remain = len;
  861. unsigned char *sptr = src;
  862. unsigned char *dptr = dst;
  863. while (remain) {
  864. if (*sptr) {
  865. *dptr = *sptr;
  866. dptr++;
  867. }
  868. sptr++;
  869. remain--;
  870. }
  871. *dptr = 0x0;
  872. }
  873. #define CFG_MFG_ADDR_OFFSET (spi->size - SZ_16K)
  874. static bool is_2gb(void)
  875. {
  876. struct spi_flash *spi;
  877. int ret;
  878. char buf[sizeof(struct mfgdata)];
  879. struct mfgdata *data = (struct mfgdata *)buf;
  880. unsigned char outbuf[32];
  881. spi = spi_flash_probe(CONFIG_ENV_SPI_BUS,
  882. CONFIG_ENV_SPI_CS,
  883. CONFIG_ENV_SPI_MAX_HZ, CONFIG_ENV_SPI_MODE);
  884. ret = spi_flash_read(spi, CFG_MFG_ADDR_OFFSET, sizeof(struct mfgdata),
  885. buf);
  886. if (ret)
  887. return false;
  888. /* Congatec Part Numbers 104 and 105 have 2GiB of RAM */
  889. conv_ascii(outbuf, data->pn, sizeof(data->pn));
  890. if (!memcmp(outbuf, "016104", 6) || !memcmp(outbuf, "016105", 6))
  891. return true;
  892. else
  893. return false;
  894. }
  895. static void spl_dram_init(int width)
  896. {
  897. struct mx6_ddr_sysinfo sysinfo = {
  898. /* width of data bus:0=16,1=32,2=64 */
  899. .dsize = width / 32,
  900. /* config for full 4GB range so that get_mem_size() works */
  901. .cs_density = 32, /* 32Gb per CS */
  902. /* single chip select */
  903. .ncs = 1,
  904. .cs1_mirror = 0,
  905. .rtt_wr = 2,
  906. .rtt_nom = 2,
  907. .walat = 0,
  908. .ralat = 5,
  909. .mif3_mode = 3,
  910. .bi_on = 1,
  911. .sde_to_rst = 0x0d,
  912. .rst_to_cke = 0x20,
  913. .refsel = 1, /* Refresh cycles at 32KHz */
  914. .refr = 7, /* 8 refresh commands per refresh cycle */
  915. };
  916. if (is_cpu_type(MXC_CPU_MX6Q) && is_2gb()) {
  917. mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs);
  918. mx6_dram_cfg(&sysinfo, &mx6q_2g_mmcd_calib, &mem_ddr_4g);
  919. return;
  920. }
  921. if (is_mx6dq()) {
  922. mx6dq_dram_iocfg(width, &mx6q_ddr_ioregs, &mx6q_grp_ioregs);
  923. mx6_dram_cfg(&sysinfo, &mx6q_mmcd_calib, &mem_ddr_2g);
  924. } else if (is_cpu_type(MXC_CPU_MX6SOLO)) {
  925. sysinfo.walat = 1;
  926. mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs);
  927. mx6_dram_cfg(&sysinfo, &mx6s_mmcd_calib, &mem_ddr_4g);
  928. } else if (is_cpu_type(MXC_CPU_MX6DL)) {
  929. sysinfo.walat = 1;
  930. mx6sdl_dram_iocfg(width, &mx6dl_ddr_ioregs, &mx6sdl_grp_ioregs);
  931. mx6_dram_cfg(&sysinfo, &mx6dl_mmcd_calib, &mem_ddr_2g);
  932. }
  933. }
  934. void board_init_f(ulong dummy)
  935. {
  936. /* setup AIPS and disable watchdog */
  937. arch_cpu_init();
  938. ccgr_init();
  939. gpr_init();
  940. /* iomux and setup of i2c */
  941. board_early_init_f();
  942. /* setup GP timer */
  943. timer_init();
  944. /* UART clocks enabled and gd valid - init serial console */
  945. preloader_console_init();
  946. /* Needed for malloc() to work in SPL prior to board_init_r() */
  947. spl_init();
  948. /* DDR initialization */
  949. if (is_cpu_type(MXC_CPU_MX6SOLO))
  950. spl_dram_init(32);
  951. else
  952. spl_dram_init(64);
  953. /* Clear the BSS. */
  954. memset(__bss_start, 0, __bss_end - __bss_start);
  955. /* load/boot image from boot device */
  956. board_init_r(NULL, 0);
  957. }
  958. #endif